1 /* 2 * Copyright (c) 1983 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that this notice is preserved and that due credit is given 7 * to the University of California at Berkeley. The name of the University 8 * may not be used to endorse or promote products derived from this 9 * software without specific prior written permission. This software 10 * is provided ``as is'' without express or implied warranty. 11 */ 12 13 #ifndef lint 14 static char sccsid[] = "@(#)assorted.c 5.2 (Berkeley) 03/09/88"; 15 #endif /* not lint */ 16 17 #include "externs.h" 18 19 table(rig, shot, hittable, on, from, roll) 20 struct ship *on, *from; 21 int rig, shot, hittable, roll; 22 { 23 register int hhits = 0, chits = 0, ghits = 0, rhits = 0; 24 int Ghit = 0, Hhit = 0, Rhit = 0, Chit = 0; 25 int guns, car, pc, hull; 26 int crew[3]; 27 register int n; 28 int rigg[4]; 29 char *message; 30 struct Tables *tp; 31 32 pc = on->file->pcrew; 33 hull = on->specs->hull; 34 crew[0] = on->specs->crew1; 35 crew[1] = on->specs->crew2; 36 crew[2] = on->specs->crew3; 37 rigg[0] = on->specs->rig1; 38 rigg[1] = on->specs->rig2; 39 rigg[2] = on->specs->rig3; 40 rigg[3] = on->specs->rig4; 41 if (shot == L_GRAPE) 42 Chit = chits = hittable; 43 else { 44 tp = &(rig ? RigTable : HullTable)[hittable][roll-1]; 45 Chit = chits = tp->C; 46 Rhit = rhits = tp->R; 47 Hhit = hhits = tp->H; 48 Ghit = ghits = tp->G; 49 if (on->file->FS) 50 rhits *= 2; 51 if (shot == L_CHAIN) { 52 Ghit = ghits = 0; 53 Hhit = hhits = 0; 54 } 55 } 56 if (on->file->captured != 0) { 57 pc -= (chits + 1) / 2; 58 chits /= 2; 59 } 60 for (n = 0; n < 3; n++) 61 if (chits > crew[n]) { 62 chits -= crew[n]; 63 crew[n] = 0; 64 } else { 65 crew[n] -= chits; 66 chits = 0; 67 } 68 for (n = 0; n < 3; n++) 69 if (rhits > rigg[n]){ 70 rhits -= rigg[n]; 71 rigg[n] = 0; 72 } else { 73 rigg[n] -= rhits; 74 rhits = 0; 75 } 76 if (rigg[3] != -1 && rhits > rigg[3]) { 77 rhits -= rigg[3]; 78 rigg[3] = 0; 79 } else if (rigg[3] != -1) { 80 rigg[3] -= rhits; 81 } 82 if (rig && !rigg[2] && (!rigg[3] || rigg[3] == -1)) 83 makesignal(on, "dismasted!", (struct ship *)0); 84 if (portside(from, on, 0)) { 85 guns = on->specs->gunR; 86 car = on->specs->carR; 87 } else { 88 guns = on->specs->gunL; 89 car = on->specs->carL; 90 } 91 if (ghits > car) { 92 ghits -= car; 93 car = 0; 94 } else { 95 car -= ghits; 96 ghits = 0; 97 } 98 if (ghits > guns){ 99 ghits -= guns; 100 guns = 0; 101 } else { 102 guns -= ghits; 103 ghits = 0; 104 } 105 hull -= ghits; 106 if (Ghit) 107 Write(portside(from, on, 0) ? W_GUNR : W_GUNL, 108 on, 0, guns, car, 0, 0); 109 hull -= hhits; 110 hull = hull < 0 ? 0 : hull; 111 if (on->file->captured != 0 && Chit) 112 Write(W_PCREW, on, 0, pc, 0, 0, 0); 113 if (Hhit) 114 Write(W_HULL, on, 0, hull, 0, 0, 0); 115 if (Chit) 116 Write(W_CREW, on, 0, crew[0], crew[1], crew[2], 0); 117 if (Rhit) 118 Write(W_RIGG, on, 0, rigg[0], rigg[1], rigg[2], rigg[3]); 119 switch (shot) { 120 case L_ROUND: 121 message = "firing round shot on %s (%c%c)"; 122 break; 123 case L_GRAPE: 124 message = "firing grape shot on %s (%c%c)"; 125 break; 126 case L_CHAIN: 127 message = "firing chain shot on %s (%c%c)"; 128 break; 129 case L_DOUBLE: 130 message = "firing double shot on %s (%c%c)"; 131 break; 132 case L_EXPLODE: 133 message = "exploding shot on %s (%c%c)"; 134 } 135 makesignal(from, message, on); 136 if (roll == 6 && rig) { 137 switch(Rhit) { 138 case 0: 139 message = "fore topsail sheets parted"; 140 break; 141 case 1: 142 message = "mizzen shrouds parted"; 143 break; 144 case 2: 145 message = "main topsail yard shot away"; 146 break; 147 case 4: 148 message = "fore topmast and foremast shrouds shot away"; 149 break; 150 case 5: 151 message = "mizzen mast and yard shot through"; 152 break; 153 case 6: 154 message = "foremast and spritsail yard shattered"; 155 break; 156 case 7: 157 message = "main topmast and mizzen mast shattered"; 158 break; 159 } 160 makesignal(on, message, (struct ship *)0); 161 } else if (roll == 6) { 162 switch (Hhit) { 163 case 0: 164 message = "anchor cables severed"; 165 break; 166 case 1: 167 message = "two anchor stocks shot away"; 168 break; 169 case 2: 170 message = "quarterdeck bulwarks damaged"; 171 break; 172 case 3: 173 message = "three gun ports shot away"; 174 break; 175 case 4: 176 message = "four guns dismounted"; 177 break; 178 case 5: 179 message = "rudder cables shot through"; 180 Write(W_TA, on, 0, 0, 0, 0, 0); 181 break; 182 case 6: 183 message = "shot holes below the water line"; 184 break; 185 } 186 makesignal(on, message, (struct ship *)0); 187 } 188 /* 189 if (Chit > 1 && on->file->readyL&R_INITIAL && on->file->readyR&R_INITIAL) { 190 on->specs->qual--; 191 if (on->specs->qual <= 0) { 192 makesignal(on, "crew mutinying!", (struct ship *)0); 193 on->specs->qual = 5; 194 Write(W_CAPTURED, on, 0, on->file->index, 0, 0, 0); 195 } else 196 makesignal(on, "crew demoralized", (struct ship *)0); 197 Write(W_QUAL, on, 0, on->specs->qual, 0, 0, 0); 198 } 199 */ 200 if (!hull) 201 strike(on, from); 202 } 203 204 Cleansnag(from, to, all, flag) 205 register struct ship *from, *to; 206 char all, flag; 207 { 208 if (flag & 1) { 209 Write(W_UNGRAP, from, 0, to->file->index, all, 0, 0); 210 Write(W_UNGRAP, to, 0, from->file->index, all, 0, 0); 211 } 212 if (flag & 2) { 213 Write(W_UNFOUL, from, 0, to->file->index, all, 0, 0); 214 Write(W_UNFOUL, to, 0, from->file->index, all, 0, 0); 215 } 216 if (!snagged2(from, to)) { 217 if (!snagged(from)) { 218 unboard(from, from, 1); /* defense */ 219 unboard(from, from, 0); /* defense */ 220 } else 221 unboard(from, to, 0); /* offense */ 222 if (!snagged(to)) { 223 unboard(to, to, 1); /* defense */ 224 unboard(to, to, 0); /* defense */ 225 } else 226 unboard(to, from, 0); /* offense */ 227 } 228 } 229 230 strike(ship, from) 231 register struct ship *ship, *from; 232 { 233 int points; 234 235 if (ship->file->struck) 236 return; 237 Write(W_STRUCK, ship, 0, 1, 0, 0, 0); 238 points = ship->specs->pts + from->file->points; 239 Write(W_POINTS, from, 0, points, 0, 0, 0); 240 unboard(ship, ship, 0); /* all offense */ 241 unboard(ship, ship, 1); /* all defense */ 242 switch (die()) { 243 case 3: 244 case 4: /* ship may sink */ 245 Write(W_SINK, ship, 0, 1, 0, 0, 0); 246 break; 247 case 5: 248 case 6: /* ship may explode */ 249 Write(W_EXPLODE, ship, 0, 1, 0, 0, 0); 250 break; 251 } 252 Write(W_SIGNAL, ship, 1, (int) "striking her colours!", 0, 0, 0); 253 } 254